package org.wzy.xmlg_backend.service;

import java.util.List;
import java.util.Map;

public interface IEmpStatisticsService {
    // 按性别统计
    Map<String, Long> countByGender();

    // 按职位统计
    List<Map<String, Object>> countByJob();

    // 按部门统计
    List<Map<String, Object>> countByDept();

    // 按入职年份统计
    List<Map<String, Object>> countByEntryYear();
}